Hard tube is certainly the way to go. I am completely converted. I firmly believe that after a bit of familiarisation it is actually easier to use than flex tube because it just slides and screws together like lego vs having to force compression fittings while trying to stop tubing twisting but it builds up tension anyway and unscrews itself at the worst time.Edited by Jakusonfire - 1/25/16 at 11:07pm